X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/52f2df615b806434ec7017349d6920a5cb9ab1c2..1d5464397c4a6e0c251ba7ed80f4f797a9063cb0:/client/cmdlfawid.c diff --git a/client/cmdlfawid.c b/client/cmdlfawid.c index 3b189efe..d98dee4f 100644 --- a/client/cmdlfawid.c +++ b/client/cmdlfawid.c @@ -16,151 +16,106 @@ #include "cmdparser.h" // CmdsParse, CmdsHelp #include "cmdlfawid.h" // AWID function declarations #include "lfdemod.h" // parityTest +#include "util.h" // weigandparity +#include "protocols.h" // for T55xx config register definitions #include "cmdmain.h" +#include "sleep.h" + static int CmdHelp(const char *Cmd); int usage_lf_awid_fskdemod(void) { - PrintAndLog("Enables AWID26 compatible reader mode printing details of scanned AWID26 tags."); - PrintAndLog("By default, values are printed and logged until the button is pressed or another USB command is issued."); - PrintAndLog("If the ['1'] option is provided, reader mode is exited after reading a single AWID26 card."); - PrintAndLog(""); - PrintAndLog("Usage: lf awid fskdemod ['1']"); - PrintAndLog("Options :"); - PrintAndLog(" 1 : (optional) stop after reading a single card"); - PrintAndLog(""); - PrintAndLog(" sample : lf awid fskdemod"); - PrintAndLog(" : lf awid fskdemod 1"); - return 0; + PrintAndLog("Enables AWID26 compatible reader mode printing details of scanned AWID26 tags."); + PrintAndLog("By default, values are printed and logged until the button is pressed or another USB command is issued."); + PrintAndLog("If the ['1'] option is provided, reader mode is exited after reading a single AWID26 card."); + PrintAndLog(""); + PrintAndLog("Usage: lf awid fskdemod ['1']"); + PrintAndLog("Options :"); + PrintAndLog(" 1 : (optional) stop after reading a single card"); + PrintAndLog(""); + PrintAndLog("Samples : lf awid fskdemod"); + PrintAndLog(" : lf awid fskdemod 1"); + return 0; } int usage_lf_awid_sim(void) { - PrintAndLog("Enables simulation of AWID26 card with specified facility-code and card number."); - PrintAndLog("Simulation runs until the button is pressed or another USB command is issued."); - PrintAndLog("Per AWID26 format, the facility-code is 8-bit and the card number is 16-bit. Larger values are truncated."); - PrintAndLog(""); - PrintAndLog("Usage: lf awid sim "); - PrintAndLog("Options :"); - PrintAndLog(" : 8-bit value AWID facility code"); - PrintAndLog(" : 16-bit value AWID card number"); - PrintAndLog(""); - PrintAndLog("sample : lf awid sim 224 1337"); - return 0; + PrintAndLog("Enables simulation of AWID26 card with specified facility-code and card number."); + PrintAndLog("Simulation runs until the button is pressed or another USB command is issued."); + PrintAndLog("Per AWID26 format, the facility-code is 8-bit and the card number is 16-bit. Larger values are truncated."); + PrintAndLog(""); + PrintAndLog("Usage: lf awid sim "); + PrintAndLog("Options :"); + PrintAndLog(" : 8-bit value AWID facility code"); + PrintAndLog(" : 16-bit value AWID card number"); + PrintAndLog(""); + PrintAndLog("Sample : lf awid sim 224 1337"); + return 0; } int usage_lf_awid_clone(void) { - PrintAndLog("Enables cloning of AWID26 card with specified facility-code and card number onto T55x7."); - PrintAndLog("The T55x7 must be on the antenna when issuing this command. T55x7 blocks are calculated and printed in the process."); - PrintAndLog("Per AWID26 format, the facility-code is 8-bit and the card number is 16-bit. Larger values are truncated."); - PrintAndLog(""); - PrintAndLog("Usage: lf awid clone "); - PrintAndLog("Options :"); - PrintAndLog(" : 8-bit value AWID facility code"); - PrintAndLog(" : 16-bit value AWID card number"); - PrintAndLog(""); - PrintAndLog("sample : lf awid clone 224 1337"); - return 0; + PrintAndLog("Enables cloning of AWID26 card with specified facility-code and card number onto T55x7."); + PrintAndLog("The T55x7 must be on the antenna when issuing this command. T55x7 blocks are calculated and printed in the process."); + PrintAndLog("Per AWID26 format, the facility-code is 8-bit and the card number is 16-bit. Larger values are truncated."); + PrintAndLog(""); + PrintAndLog("Usage: lf awid clone "); + PrintAndLog("Options :"); + PrintAndLog(" : 8-bit value AWID facility code"); + PrintAndLog(" : 16-bit value AWID card number"); + PrintAndLog(" Q5 : optional - clone to Q5 (T5555) instead of T55x7 chip"); + PrintAndLog(""); + PrintAndLog("Sample : lf awid clone 224 1337"); + return 0; +} + +int usage_lf_awid_brute(void){ + PrintAndLog("Enables bruteforce of AWID26 reader with specified facility-code."); + PrintAndLog("Per AWID26 format, the facility-code (FC) is 8-bit and the card number is 16-bit."); + PrintAndLog("This is a incremental attack against reader."); + PrintAndLog(""); + PrintAndLog("Usage: lf awid brute "); + PrintAndLog("Options :"); + PrintAndLog(" : 8-bit value AWID facility code"); + PrintAndLog(""); + PrintAndLog("Sample : lf awid brute 224"); + return 0; } int CmdAWIDDemodFSK(const char *Cmd) { - int findone = 0; - if (Cmd[0] == 'h' || Cmd[0] == 'H') return usage_lf_awid_fskdemod(); - - if (Cmd[0] == '1') findone = 1; - - UsbCommand c = {CMD_AWID_DEMOD_FSK, {findone, 0, 0}}; - clearCommandBuffer(); - SendCommand(&c); - return 0; + int findone = 0; + if (Cmd[0] == 'h' || Cmd[0] == 'H') return usage_lf_awid_fskdemod(); + if (Cmd[0] == '1') findone = 1; + + UsbCommand c = {CMD_AWID_DEMOD_FSK, {findone, 0, 0}}; + clearCommandBuffer(); + SendCommand(&c); + return 0; } -int getAWIDBits(unsigned int fc, unsigned int cn, uint8_t *AWIDBits) -{ - //int i; - uint32_t fcode = (fc & 0x000000FF); - uint32_t cnum = (cn & 0x0000FFFF); - uint32_t uBits = 0; - - if (fcode != fc) - PrintAndLog("NOTE: Facility code truncated for AWID26 format (8-bit facility code)"); - if (cnum!=cn) - PrintAndLog("NOTE: Card number was truncated for AWID26 format (16-bit card number)"); +//refactored by marshmellow +int getAWIDBits(uint32_t fc, uint32_t cn, uint8_t *AWIDBits) { + uint8_t pre[66]; + memset(pre, 0, sizeof(pre)); + AWIDBits[7]=1; + num_to_bytebits(26, 8, pre); - uint8_t pre[] = {0x01, 0x1D, 0x80, 0x00,0x00,0x00,0x00, 0x11, 0x11, 0x11, 0x11, 0x11}; - memcpy(AWIDBits, pre , sizeof(pre)); - - // AWIDBits[0] = 0x01; // 6-bit Preamble with 2 parity bits - // AWIDBits[1] = 0x1D; // First byte from card format (26-bit) plus parity bits - // AWIDBits[2] = 0x80; // Set the next two bits as 0b10 to finish card format + uint8_t wiegand[24]; + num_to_bytebits(fc, 8, wiegand); + num_to_bytebits(cn, 16, wiegand+8); - // for (i = 7; i<12; i++) - // AWIDBits[i]=0x11; - - uBits = (fcode<<4) + (cnum>>12); - - if (!parityTest(uBits,12,0)) AWIDBits[2] |= (1<<5); // If not already even parity, set bit to make even - - uBits = AWIDBits[2]>>5; - - if (!parityTest(uBits, 3, 1)) AWIDBits[2] |= (1<<4); - - uBits = fcode>>5; // first 3 bits of facility-code - AWIDBits[2] += (uBits<<1); - - if (!parityTest(uBits, 3, 1)) AWIDBits[2]++; // Set parity bit to make odd parity - - uBits = (fcode & 0x1C)>>2; - AWIDBits[3] = 0; - - if (!parityTest(uBits,3,1)) AWIDBits[3] |= (1<<4); - - AWIDBits[3] += (uBits<<5); - uBits = ((fcode & 0x3)<<1) + ((cnum & 0x8000)>>15); // Grab/shift 2 LSBs from facility code and add shifted MSB from cardnum - - if (!parityTest(uBits,3,1)) AWIDBits[3]++; // Set LSB for parity - - AWIDBits[3]+= (uBits<<1); - uBits = (cnum & 0x7000)>>12; - AWIDBits[4] = uBits<<5; - - if (!parityTest(uBits,3,1)) AWIDBits[4] |= (1<<4); - - uBits = (cnum & 0x0E00)>>9; - AWIDBits[4] += (uBits<<1); - - if (!parityTest(uBits,3,1)) AWIDBits[4]++; // Set LSB for parity - - uBits = (cnum & 0x1C0)>>6; // Next bits from card number - AWIDBits[5]=(uBits<<5); - - if (!parityTest(uBits,3,1)) AWIDBits[5] |= (1<<4); // Set odd parity bit as needed - - uBits = (cnum & 0x38)>>3; - AWIDBits[5]+= (uBits<<1); - - if (!parityTest(uBits,3,1)) AWIDBits[5]++; // Set odd parity bit as needed - - uBits = (cnum & 0x7); // Last three bits from card number! - AWIDBits[6] = (uBits<<5); - - if (!parityTest(uBits,3,1)) AWIDBits[6] |= (1<<4); - - uBits = (cnum & 0x0FFF); - - if (!parityTest(uBits,12,1)) - AWIDBits[6] |= (1<<3); - else - AWIDBits[6]++; - + wiegand_add_parity(pre+8, wiegand, 24); + size_t bitLen = addParity(pre, AWIDBits+8, 66, 4, 1); + + if (bitLen != 88) return 0; return 1; } -int CmdAWIDSim(const char *Cmd) -{ - uint32_t fcode = 0, cnum = 0, fc=0, cn=0, i=0; - uint8_t bits[12]; - uint8_t *bs=bits; +int CmdAWIDSim(const char *Cmd) { + uint32_t fcode = 0, cnum = 0, fc = 0, cn = 0; + uint8_t bits[96]; + uint8_t *bs = bits; + size_t size = sizeof(bits); + memset(bs, 0x00, size); - uint64_t arg1 = (10<<8) + 8; // fcHigh = 10, fcLow = 8 + uint64_t arg1 = ( 10 << 8 ) + 8; // fcHigh = 10, fcLow = 8 uint64_t arg2 = 50; // clk RF/50 invert=0 if (sscanf(Cmd, "%u %u", &fc, &cn ) != 2) return usage_lf_awid_sim(); @@ -168,8 +123,8 @@ int CmdAWIDSim(const char *Cmd) fcode = (fc & 0x000000FF); cnum = (cn & 0x0000FFFF); - if (fc!=fcode) PrintAndLog("Facility-Code (%u) truncated to 8-bits: %u", fc, fcode); - if (cn!=cnum) PrintAndLog("Card number (%u) truncated to 16-bits: %u", cn, cnum); + if (fc != fcode) PrintAndLog("Facility-Code (%u) truncated to 8-bits: %u", fc, fcode); + if (cn != cnum) PrintAndLog("Card number (%u) truncated to 16-bits: %u", cn, cnum); PrintAndLog("Emulating AWID26 -- FC: %u; CN: %u\n", fcode, cnum); PrintAndLog("Press pm3-button to abort simulation or run another command"); @@ -179,30 +134,28 @@ int CmdAWIDSim(const char *Cmd) return 1; } // AWID uses: fcHigh: 10, fcLow: 8, clk: 50, invert: 0 - PrintAndLog("Running 'lf simfsk c 50 H 10 L 8 d %s'", sprint_hex(bs, sizeof(bs))); - // arg1 --- fcHigh<<8 + fcLow // arg2 --- Inversion and clk setting // 96 --- Bitstream length: 96-bits == 12 bytes - UsbCommand c = {CMD_FSK_SIM_TAG, {arg1, arg2, 96}}; - - for (i=0; i < 96; i++) - c.d.asBytes[i] = (bs[i/8] & (1<<(7-(i%8)))) ? 1 : 0; - + UsbCommand c = {CMD_FSK_SIM_TAG, {arg1, arg2, size}}; + memcpy(c.d.asBytes, bs, size); clearCommandBuffer(); SendCommand(&c); return 0; } -int CmdAWIDClone(const char *Cmd) -{ - uint32_t blocks[4] = {0x00107060, 0, 0, 0x11111111}; - uint32_t fc=0, cn=0, i=0; - uint8_t bits[12]; +int CmdAWIDClone(const char *Cmd) { + uint32_t blocks[4] = {T55x7_MODULATION_FSK2a | T55x7_BITRATE_RF_50 | 3< 3 || strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_awid_brute(); + + fc = param_get8(Cmd, 0); + if ( fc == 0) return usage_lf_awid_brute(); + + PrintAndLog("Bruteforceing AWID26 Reader"); + PrintAndLog("Press pm3-button to abort simulation or run another command"); + + uint64_t arg1 = (10<<8) + 8; // fcHigh = 10, fcLow = 8 + uint64_t arg2 = 50; // clk RF/50 invert=0 + UsbCommand c = {CMD_FSK_SIM_TAG, {arg1, arg2, size}}; + + for ( uint16_t cn = 1; cn < 0xFFFF; ++cn){ + if (ukbhit()) { + PrintAndLog("aborted via keyboard!"); + c.cmd = CMD_PING; + c.arg[0] = 0x00; + c.arg[1] = 0x00; + c.arg[2] = 0x00; + clearCommandBuffer(); + SendCommand(&c); + return 1; + } + + (void)getAWIDBits(fc, cn, bs); + memcpy(c.d.asBytes, bs, size); + clearCommandBuffer(); + SendCommand(&c); + + PrintAndLog("Trying FC: %u; CN: %u", fc, cn); + // pause + sleep(1); + } + return 0; +} + +static command_t CommandTable[] = { {"help", CmdHelp, 1, "This help"}, {"fskdemod", CmdAWIDDemodFSK, 0, "['1'] Realtime AWID FSK demodulator (option '1' for one tag only)"}, {"sim", CmdAWIDSim, 0, " -- AWID tag simulator"}, - {"clone", CmdAWIDClone, 0, " -- Clone AWID to T55x7 (tag must be in range of antenna)"}, + {"clone", CmdAWIDClone, 0, " -- Clone AWID to T55x7"}, + {"brute", CmdAWIDBrute, 0, " -- bruteforce card number"}, {NULL, NULL, 0, NULL} }; -int CmdLFAWID(const char *Cmd) -{ +int CmdLFAWID(const char *Cmd) { + clearCommandBuffer(); CmdsParse(CommandTable, Cmd); return 0; } -int CmdHelp(const char *Cmd) -{ +int CmdHelp(const char *Cmd) { CmdsHelp(CommandTable); return 0; }